20076885

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6659}}^1$

素因数の和:6737

約数の個数: 24

約数和(自身を含む): 35324640

約数和(自身を除く): 15247755

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6659, 19977, 33295, 59931, 99885, 299655, 446153, 1338459, 2230765, 4015377, 6692295, 20076885]

約数ペア:

[(1, 20076885), (3, 6692295), (5, 4015377), (9, 2230765), (15, 1338459), (45, 446153), (67, 299655), (201, 99885), (335, 59931), (603, 33295), (1005, 19977), (3015, 6659)]